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  • “galena”简单造句,galena造句子
    发表于:2016-12-31
    galena[leadsulphide]Inadditiontocassiteriteandstannite,galenaalsocontainsahighamountoftin.Thesecosmeticsweremadebygrindingoreslikemalachiteandgalenaintoasubstancecalledko...